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Finding the Fourth Proportional to 279,013.61, 384,896.84 and 182,274.10

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Solution

The fourth proportional to 279,013.61, 384,896.84 and 182,274.10 is: 251,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,013.61 : 384,896.84 = 182,274.10 : x
  2. Step 2: Convert to fraction form
    279,013.61/384,896.84 = 182,274.10/x
  3. Step 3: Cross multiply
    279,013.61x = 384,896.84 × 182,274.10
  4. Step 4: Simplify right side
    279,013.61x = 70,156,724,597.29
  5. Step 5: Solve for x
    x = 70,156,724,597.29/279,013.61
  6. Step 6: Final answer
    x = 251,445.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.